CVE-2023-4279

CVE-2023-4279 is a high-severity vulnerability in Solwininfotech User Activity Log with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

This User Activity Log WordPress plugin before 1.6.7 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to hide the source of malicious traffic.

Frequently asked questions

What is CVE-2023-4279?
This User Activity Log WordPress plugin before 1.6.7 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to hide the source of malicious traffic.
How severe is CVE-2023-4279?
CVE-2023-4279 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-4279 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4279?
CVE-2023-4279 affects Solwininfotech User Activity Log. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4279?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-4279 published?
CVE-2023-4279 was published on 2023-09-04 and last updated on 2026-06-17.

References

Affected products (1)

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